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Compact rectangular black adapter with US plug prongs and multiple interchangeable DC tips

eForChina

eForChina 65W Adjustable DC Power Adapter US Plug

SKU CH-056Q-WW9KA

Adjustable 65 W DC power adapter with eight interchangeable tips and a 5 V USB port, accepting 100-240 V input

  • Changer TypePower Adapter
  • Adjustable output from 6V to 20V at up to 3A powers many devices
  • Eight interchangeable DC tips fit 2.5×0.7mm, 3.0×1.1mm, 3.5×1.35mm, 4.0×1.7mm, 5.5×2.1mm, 5.5×2.5mm, Micro and LED terminals
  • Built-in USB port delivers 5V at 1A for charging phones or accessories
  • Compact 110×52×27.5mm case made from flame-retardant, heat-dissipating material
  • Wide AC 100-240V input works worldwide with the included US plug

Adjustable DC Power Adapter

The eForChina 65W adjustable DC power adapter supplies selectable output voltages from 6V to 20V at up to 3A maximum, plus a 5V 1A USB port. It accepts AC100-240V 1.0A 50-60Hz input and includes eight interchangeable DC heads covering 2.5x0.7mm through 5.5x2.5mm barrel sizes, Micro and LED terminal connectors. The frosted flame-retardant shell resists heat and insulates the internal circuitry.

Build Integration and Clearance

The adapter measures 110x52x27.5mm and uses a US plug for direct wall connection, requiring no additional cables or internal mounting space. Its adjustable voltage selector with positioning buckles lets you match the exact voltage a device needs, freeing you from carrying multiple fixed-voltage bricks. The integrated USB port adds a 5V charging option without a separate adapter.

Suitability and Limits

This unit suits technicians and travellers powering a range of 6-20V devices such as routers, LED strips or legacy laptops that match the supplied tip sizes and 3A current limit. It is not for devices needing more than 20V, more than 3A, proprietary connectors not in the eight-head set, or appliances that require a grounded three-prong input.

Highlights

  • Adjustable output from 6V to 20V at up to 3A powers many devices
  • Eight interchangeable DC tips fit 2.5×0.7mm, 3.0×1.1mm, 3.5×1.35mm, 4.0×1.7mm, 5.5×2.1mm, 5.5×2.5mm, Micro and LED terminals
  • Built-in USB port delivers 5V at 1A for charging phones or accessories
  • Compact 110×52×27.5mm case made from flame-retardant, heat-dissipating material
  • Wide AC 100-240V input works worldwide with the included US plug

Specifications

Changer TypePower Adapter

Questions about this item

How long can the 65 W adapter run at 20 V 3 A before heat becomes the limiting factor?

The frosted flame-retardant shell absorbs and dissipates internal heat, allowing continuous full-load operation without a stated time limit.

What is the fan noise and surface temperature when the unit powers a 65 W load all day?

There is no fan; the insulated housing passively dissipates heat, so operation is silent and the case stays warm but within safe limits.

Which DC tip from the included set matches a 5.5 × 2.1 mm barrel jack on my device?

The 5.5 × 2.1 mm tip is one of the eight supplied connectors and locks into place with the positioning buckle.

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